Re: [PATCH net 0/2] net: macb: fix software FCS handling of shared and requeued skbs

From: patchwork-bot+netdevbpf

Date: Thu Oct 08 2026 - 14:52:05 EST


Hello:

This series was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@xxxxxxxxxx>:

On Tue, 06 Oct 2026 07:41:31 +0200 you wrote:
> While testing the genet MTU series I used a Raspberry Pi CM5 (RP1 GEM)
> as pktgen source for the CM4. With clone_skb the CM5 rebooted after a
> few seconds. Further investigation showed that macb_pad_and_fcs()
> appends the FCS in place, so the shared skb grows with every transmit
> until BQL completes more than was queued and dql_completed() hits its
> BUG_ON.
>
> [...]

Here is the summary with links:
- [net,1/2] net: macb: check TX ring before modifying skb
https://git.kernel.org/netdev/net/c/6b48ed85ae0c
- [net,2/2] net: macb: copy shared skbs before appending the FCS
https://git.kernel.org/netdev/net/c/9151d6c42799

You are awesome, thank you!
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